/*
 * rows2.c - 使内部循环依赖于外部循环的嵌套循环
 */
#include <stdio.h>
int main(void)
{
    const int ROWS = 6;
    const int CHARS = 6;
    int row;
    char ch;
    for (row = 0; row < ROWS; row++) {
        for (ch = ('A' + row); ch <  'A' + CHARS; ch++ ){
            printf("%c", ch); 
        }
        printf("\n");
        
    }
    return 0;
}
